Hands calls and waterproof design Builtin microphone enables hands calls, so you can chat while cooking, driving, or showering. The waterproof design makes it suitable for outdoor activities such as cycling, hiking, and kayaking. Rechargeable and wireless TypeC charging for convenient power and wireless operation. Whether you are traveling or at home, you can enjoy an uninterrupted sound experience without worrying about charging. Ultraportable and lightweight Smaller than a mobile phone, this speaker is ultralight and includes a lanyard for easy hanging on a bag, bicycle, or car. Its stylish design makes it a practical speaker and a fashionable accessory. Bluetooth wireless connection Bluetooth 5.0 technology provides a stable connection and reliable wireless range for devices such as laptops, smartphones, computers, and tablets.